I asked in the hvac section with no luck,.the po of my truck said a/c compressed is froze up.how do I tell this?my last 95 150 didn't "click on/off"but blew out cold.and I belive its r 12 Freon.can I put in the 134,or where do I buy r12,or can I converert and how?thanks for input

 

first most of the old compressors dont click, at least my do not but the motor will bog down a little. no mixing r134a and r12 is not a good idea, r12 is spendy but you can get a drop in replacement. just google r12 direct drop in replacement, r134a leaks super easy as its particles are 1/1000 the size of r12 particles so thats food for thought on the conversion. also get some cheap r 12 manifold gauges and see if its low or have it done by a mechanic. if the compressor is froze or wont engage it could just be low, if its low have the mechanic put dye in it to see where its leaking, if its not low than the compressor is bad and will require a new compressor. they are around 150 dollars

 

95 will be R-134A. last year for R-12 was 93.

 

he said his last 95, meaning his last truck was a 95? what is this one then a 95 also?

 

well his profile shows a 95 F-150, so i am assuming that is what he is working on

 

No this one is a 93 f250.sorry if I wasn't clear on that

 

early 93 was R-12, late 93 was R-134A
you need to know what system you have, and use the proper freon.
i do not put R-134A in R-12 systems. don't work as good.

 

Its r12.I googled a drop in replacement and came up with r409a..iirc

 

My honest opinion here is that unless you have experience working with A/C systems professionally and have ALL of the equipment to evacuate it properly, take it to a pro and have them fix it.

At the minimum have them evacuate the system for you before you begin working on it.

If that is the route you choose, after it has been evacuated, read through this.

1993 Ford Bronco A/C Conversion to R-134a pictures, videos, and sounds | SuperMotors.net

 

the only drop in replacement i know of for R-12 is Freeze-12. and you need a EPA 609 certification to buy it, so you might as well just use R-12.

 

i do believe that there is another one that you dont need epa certification for but it comes in individual cans, never really looked to see what it was cause i never really need them

 

I took an online test years ago to get my EPA 609 cert. Total cost was $10 USD at that time. Unless I purchase from distributor or local dealer no one has ever asked for a copy of my EPA 609.

On my last few projects where I needed R-12 I scored small cans on E-bay for less than $20 each. The E-bay listing stated I needed an EPA 609, but they never asked for a copy. As long as there is E-bay and other sites I see no reason to go through the hassle of converting to R-134a (I am not a fan) or sourcing drop-in replacements for R-12.

 

i buy my freon from lenz distributors in Florida.
they have the cheapest prices i have found.